

public class Test03 {
    public static void main(String[] args) throws Exception {
        Class c1 = Class.forName("java.lang.String");
        Class C2 = String.class;
        Class c3 = new String().getClass();
        System.out.println(c1.getName());
        System.out.println(c1.getPackage());
        System.out.println(c1.getSimpleName());
    }
}